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@@ -2,6 +2,7 @@
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#include "bq27220_reg.h"
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#include <api-hal-i2c.h>
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+#include <api-hal-delay.h>
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#include <stdbool.h>
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uint16_t bq27220_read_word(uint8_t address) {
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@@ -25,16 +26,90 @@ bool bq27220_control(uint16_t control) {
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bool, &ret, () {
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uint8_t buffer[3];
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buffer[0] = CommandControl;
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- buffer[1] = (control >> 8) & 0xFF;
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- buffer[2] = control & 0xFF;
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+ buffer[1] = control & 0xFF;
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+ buffer[2] = (control >> 8) & 0xFF;
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return api_hal_i2c_tx(POWER_I2C, BQ27220_ADDRESS, buffer, 3, BQ27220_I2C_TIMEOUT);
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});
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return ret;
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}
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-void bq27220_init() {
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+uint8_t bq27220_get_checksum(uint8_t* data, uint16_t len) {
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+ uint8_t ret = 0;
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+ for(uint16_t i = 0; i < len; i++) {
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+ ret += data[i];
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+ }
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+ return 0xFF - ret;
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+}
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+
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+bool bq27220_set_parameter_u16(uint16_t address, uint16_t value) {
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+ bool ret;
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+ uint8_t buffer[5];
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+ with_api_hal_i2c(
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+ bool, &ret, () {
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+ buffer[0] = CommandSelectSubclass;
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+ buffer[1] = address & 0xFF;
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+ buffer[2] = (address >> 8) & 0xFF;
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+ buffer[3] = (value >> 8) & 0xFF;
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+ buffer[4] = value & 0xFF;
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+ return api_hal_i2c_tx(POWER_I2C, BQ27220_ADDRESS, buffer, 5, BQ27220_I2C_TIMEOUT);
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+ });
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+ uint8_t checksum = bq27220_get_checksum(&buffer[1], 4);
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+ with_api_hal_i2c(
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+ bool, &ret, () {
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+ buffer[0] = CommandMACDataSum;
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+ buffer[1] = checksum;
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+ buffer[2] = 6;
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+ return api_hal_i2c_tx(POWER_I2C, BQ27220_ADDRESS, buffer, 3, BQ27220_I2C_TIMEOUT);
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+ });
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+ return ret;
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+}
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+
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+void bq27220_init(const ParamCEDV* cedv) {
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+ uint32_t timeout = 100;
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+ OperationStatus status = {};
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bq27220_control(Control_ENTER_CFG_UPDATE);
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- bq27220_control(Control_SET_PROFILE_2);
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+ while((status.CFGUPDATE != 1) && (timeout-- > 0)) {
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+ bq27220_get_operation_status(&status);
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+ }
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+ bq27220_set_parameter_u16(AddressFullChargeCapacity, cedv->full_charge_cap);
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+ delay_us(15000);
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+ bq27220_set_parameter_u16(AddressDesignCapacity, cedv->design_cap);
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+ delay_us(15000);
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+ bq27220_set_parameter_u16(AddressEMF, cedv->EMF);
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+ delay_us(15000);
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+ bq27220_set_parameter_u16(AddressC0, cedv->C0);
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+ delay_us(15000);
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+ bq27220_set_parameter_u16(AddressR0, cedv->R0);
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+ delay_us(15000);
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+ bq27220_set_parameter_u16(AddressT0, cedv->T0);
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+ delay_us(15000);
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+ bq27220_set_parameter_u16(AddressR1, cedv->R1);
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+ delay_us(15000);
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+ bq27220_set_parameter_u16(AddressTC, (cedv->TC) << 8 | cedv->C1);
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+ delay_us(15000);
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+ bq27220_set_parameter_u16(AddressStartDOD0, cedv->DOD0);
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+ delay_us(15000);
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+ bq27220_set_parameter_u16(AddressStartDOD10, cedv->DOD10);
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+ delay_us(15000);
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+ bq27220_set_parameter_u16(AddressStartDOD20, cedv->DOD20);
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+ delay_us(15000);
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+ bq27220_set_parameter_u16(AddressStartDOD30, cedv->DOD30);
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+ delay_us(15000);
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+ bq27220_set_parameter_u16(AddressStartDOD40, cedv->DOD40);
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+ delay_us(15000);
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+ bq27220_set_parameter_u16(AddressStartDOD50, cedv->DOD40);
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+ delay_us(15000);
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+ bq27220_set_parameter_u16(AddressStartDOD60, cedv->DOD60);
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+ delay_us(15000);
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+ bq27220_set_parameter_u16(AddressStartDOD70, cedv->DOD70);
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+ delay_us(15000);
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+ bq27220_set_parameter_u16(AddressStartDOD80, cedv->DOD80);
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+ delay_us(15000);
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+ bq27220_set_parameter_u16(AddressStartDOD90, cedv->DOD90);
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+ delay_us(15000);
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+ bq27220_set_parameter_u16(AddressStartDOD100, cedv->DOD100);
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+ delay_us(15000);
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+
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bq27220_control(Control_EXIT_CFG_UPDATE);
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}
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@@ -74,6 +149,10 @@ uint16_t bq27220_get_full_charge_capacity() {
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return bq27220_read_word(CommandFullChargeCapacity);
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}
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+uint16_t bq27220_get_design_capacity() {
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+ return bq27220_read_word(CommandDesignCapacity);
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+}
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+
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uint16_t bq27220_get_remaining_capacity() {
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return bq27220_read_word(CommandRemainingCapacity);
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}
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